Plague Ooze

Noncreature cards you cast cost {1} less to cast
for each +1/+1 counter on Plague Ooze.
Plague Ooze enters the battlefield with a +1/+1 counter on it equal to number of nonland, noncreature cards in your graveyard.
Pay 1 life: Remove a +1/+1 counter from Plague Ooze. Any player may activate this ability once during his or her turn.